src/libstatgrab/process_stats.c

/*
 * i-scream libstatgrab
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307 USA
 *
 * $Id: process_stats.c,v 1.62 2004/04/07 14:45:33 pajs Exp $
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "statgrab.h"
#include "tools.h"
#include "vector.h"
#if defined(SOLARIS) || defined(LINUX)
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <dirent.h>
#include <string.h>
#endif

#ifdef SOLARIS
#include <procfs.h>
#include <limits.h>
#define PROC_LOCATION "/proc"
#define MAX_FILE_LENGTH PATH_MAX
#endif
#ifdef LINUX
#include <limits.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#define PROC_LOCATION "/proc"
#define MAX_FILE_LENGTH PATH_MAX
#endif
#ifdef ALLBSD
#include <stdlib.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#if defined(FREEBSD) || defined(DFBSD)
#include <sys/user.h>
#else
#include <sys/proc.h>
#endif
#include <string.h>
#include <paths.h>
#include <fcntl.h>
#include <limits.h>
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
#include <kvm.h>
#endif
#include <unistd.h>
#ifdef NETBSD2
#include <sys/lwp.h>
#endif
#endif

static void proc_state_init(sg_process_stats *s) {
        s->process_name = NULL;
        s->proctitle = NULL;
}

static void proc_state_destroy(sg_process_stats *s) {
        free(s->process_name);
        free(s->proctitle);
}

sg_process_stats *sg_get_process_stats(int *entries){
        VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
                              proc_state_init, proc_state_destroy);
        int proc_state_size = 0;
        sg_process_stats *proc_state_ptr;
#ifdef ALLBSD
        int mib[4];
        size_t size;
        struct kinfo_proc *kp_stats;
        int procs, i;
        char *proctitle;
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
        kvm_t *kvmd;
        char **args, **argsp;
        int argslen = 0;
#else
        long buflen;
        char *p;
#endif
#ifdef NETBSD2
        int lwps;
        struct kinfo_lwp *kl_stats;
#endif
#endif
#if defined(SOLARIS) || defined(LINUX)
        DIR *proc_dir;
        struct dirent *dir_entry;
        char filename[MAX_FILE_LENGTH];
        FILE *f;
#ifdef SOLARIS
        psinfo_t process_info;
#endif
#ifdef LINUX
        char s;
        /* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
        char ps_name[4096];
        char *ptr;
        VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
        unsigned long stime, utime, starttime;
        int x;
        int fn;
        int len;
        int rc;
        time_t uptime;
#endif

#ifdef LINUX
        if ((f=fopen("/proc/uptime", "r")) == NULL) {
                return NULL;
        }
        if((fscanf(f,"%lu %*d",&uptime)) != 1){
                return NULL;
        }
        fclose(f);
#endif

        if((proc_dir=opendir(PROC_LOCATION))==NULL){
                return NULL;
        }

        while((dir_entry=readdir(proc_dir))!=NULL){
                if(atoi(dir_entry->d_name) == 0) continue;

#ifdef SOLARIS
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
#endif
#ifdef LINUX
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
#endif
                if((f=fopen(filename, "r"))==NULL){
                        /* Open failed.. Process since vanished, or the path was too long.
                         * Ah well, move onwards to the next one */
                        continue;
                }
#ifdef SOLARIS
                fread(&process_info, sizeof(psinfo_t), 1, f);
#endif

                if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
                        return NULL;
                }
                proc_state_ptr = proc_state+proc_state_size;

#ifdef SOLARIS          
                proc_state_ptr->pid = process_info.pr_pid;
                proc_state_ptr->parent = process_info.pr_ppid;
                proc_state_ptr->pgid = process_info.pr_pgid;
                proc_state_ptr->uid = process_info.pr_uid;
                proc_state_ptr->euid = process_info.pr_euid;
                proc_state_ptr->gid = process_info.pr_gid;
                proc_state_ptr->egid = process_info.pr_egid;
                proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
                proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
                proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
                proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
                if (sg_update_string(&proc_state_ptr->process_name,
                                     process_info.pr_fname) < 0) {
                        return NULL;
                }
                if (sg_update_string(&proc_state_ptr->proctitle,
                                     process_info.pr_psargs) < 0) {
                        return NULL;
                }

                if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; 
                if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; 
                if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; 
                if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; 
#endif
#ifdef LINUX
                x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %lu %llu %llu %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &starttime, &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
                /* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
                proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
                if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
                if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
        
                /* pa_name[0] should = '(' */
                ptr = strchr(&ps_name[1], ')'); 
                if(ptr !=NULL) *ptr='\0';

                if (sg_update_string(&proc_state_ptr->process_name,
                                     &ps_name[1]) < 0) {
                        return NULL;
                }

                /* cpu */
                proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);

                fclose(f);

                /* uid / gid */
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
                if ((f=fopen(filename, "r")) == NULL) {
                        /* Open failed.. Process since vanished, or the path was too long.
                         * Ah well, move onwards to the next one */
                        continue;
                }

                if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
                        fclose(f);
                        continue;
                }
                sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));

                if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
                        fclose(f);
                        continue;
                }
                sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));

                fclose(f);

                /* proctitle */ 
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);

                if((fn=open(filename, O_RDONLY)) == -1){
                        /* Open failed.. Process since vanished, or the path was too long.
                         * Ah well, move onwards to the next one */
                        continue;
                }

#define READ_BLOCK_SIZE 128
                len = 0;
                do {
                        if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
                                return NULL;
                        }
                        rc = read(fn, psargs + len, READ_BLOCK_SIZE);
                        if (rc > 0) {
                                len += rc;
                        }
                } while (rc == READ_BLOCK_SIZE);
                close(fn);

                if (rc == -1) {
                        /* Read failed; move on. */
                        continue;
                }

                /* Turn \0s into spaces within the command line. */
                ptr = psargs;
                for(x = 0; x < len; x++) {
                        if (*ptr == '\0') *ptr = ' ';
                        ptr++;
                }

                if (len == 0) {
                        /* We want psargs to be NULL. */
                        if (VECTOR_RESIZE(psargs, 0) < 0) {
                                return NULL;
                        }
                } else {
                        /* Not empty, so append a \0. */
                        if (VECTOR_RESIZE(psargs, len + 1) < 0) {
                                return NULL;
                        }
                        psargs[len] = '\0';
                }

                if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
                        return NULL;
                }
#endif

                proc_state_size++;
        }
        closedir(proc_dir);
#endif

#ifdef ALLBSD
        mib[0] = CTL_KERN;
        mib[1] = KERN_PROC;
        mib[2] = KERN_PROC_ALL;

        if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
                return NULL;
        }

        procs = size / sizeof(struct kinfo_proc);

        kp_stats = sg_malloc(size);
        if(kp_stats == NULL) {
                return NULL;
        }
        memset(kp_stats, 0, size);

        if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
                free(kp_stats);
                return NULL;
        }

#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
        kvmd = sg_get_kvm2();
#endif

        for (i = 0; i < procs; i++) {
                const char *name;

#ifdef FREEBSD5
                if (kp_stats[i].ki_stat == 0) {
#else
                if (kp_stats[i].kp_proc.p_stat == 0) {
#endif
                        /* FreeBSD 5 deliberately overallocates the array that
                         * the sysctl returns, so we'll get a few junk
                         * processes on the end that we have to ignore. (Search
                         * for "overestimate by 5 procs" in
                         * src/sys/kern/kern_proc.c for more details.) */
                        continue;
                }

                if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
                        return NULL;
                }
                proc_state_ptr = proc_state+proc_state_size;

#ifdef FREEBSD5
                name = kp_stats[i].ki_comm;
#elif defined(DFBSD)
                name = kp_stats[i].kp_thread.td_comm;
#else
                name = kp_stats[i].kp_proc.p_comm;
#endif
                if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
                        return NULL;
                }

#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
                size = sizeof(buflen);

#ifdef FREEBSD5
                if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
                        return NULL;
                }
#else
                /* FIXME - this value can be too large on some of
                   the BSD's, which causes sysctl not to return
                   anything. Maybe we need something smaller? */
                mib[1] = KERN_ARGMAX;

                if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
                        return NULL;
                }
#endif

                proctitle = sg_malloc(buflen);
                if(proctitle == NULL) {
                        return NULL;
                }

                size = buflen;

#ifdef FREEBSD5
                mib[2] = KERN_PROC_ARGS;
                mib[3] = kp_stats[i].ki_pid;
#else
                mib[1] = KERN_PROC_ARGS;
                mib[2] = kp_stats[i].kp_proc.p_pid;
                mib[3] = KERN_PROC_ARGV;
#endif

                free(proc_state_ptr->proctitle);
                if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
                        free(proctitle);
                        proc_state_ptr->proctitle = NULL;
                }
                else if(size > 0) {
                        proc_state_ptr->proctitle = sg_malloc(size+1);
                        if(proc_state_ptr->proctitle == NULL) {
                                return NULL;
                        }
                        p = proctitle;
                        proc_state_ptr->proctitle[0] = '\0';
                        do {
                                sg_strlcat(proc_state_ptr->proctitle, p, size+1);
                                sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
                                p += strlen(p) + 1;
                        } while (p < proctitle + size);
                        free(proctitle);
                        /* remove trailing space */
                        proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
                }
                else {
                        free(proctitle);
                        proc_state_ptr->proctitle = NULL;
                }
#else
                free(proc_state_ptr->proctitle);
                if(kvmd != NULL) {
                        args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
                        if(args != NULL) {
                                argsp = args;
                                while(*argsp != NULL) {
                                        argslen += strlen(*argsp) + 1;
                                        argsp++;
                                }
                                proctitle = sg_malloc(argslen + 1);
                                proctitle[0] = '\0';
                                if(proctitle == NULL) {
                                        return NULL;
                                }
                                while(*args != NULL) {
                                        sg_strlcat(proctitle, *args, argslen + 1);
                                        sg_strlcat(proctitle, " ", argslen + 1);
                                        args++;
                                }
                                /* remove trailing space */
                                proctitle[strlen(proctitle)-1] = '\0';
                                proc_state_ptr->proctitle = proctitle;
                        }
                        else {
                                proc_state_ptr->proctitle = NULL;
                        }
                }
                else {
                        proc_state_ptr->proctitle = NULL;
                }
#endif

#ifdef FREEBSD5
                proc_state_ptr->pid = kp_stats[i].ki_pid;
                proc_state_ptr->parent = kp_stats[i].ki_ppid;
                proc_state_ptr->pgid = kp_stats[i].ki_pgid;
#else
                proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
                proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
                proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
#endif

#ifdef FREEBSD5
                proc_state_ptr->uid = kp_stats[i].ki_ruid;
                proc_state_ptr->euid = kp_stats[i].ki_uid;
                proc_state_ptr->gid = kp_stats[i].ki_rgid;
                proc_state_ptr->egid = kp_stats[i].ki_svgid;
#elif defined(DFBSD)
                proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
                proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
                proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
                proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
#else
                proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
                proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
                proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
                proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
#endif

#ifdef FREEBSD5
                proc_state_ptr->proc_size = kp_stats[i].ki_size;
                /* This is in pages */
                proc_state_ptr->proc_resident =
                        kp_stats[i].ki_rssize * getpagesize();
                /* This is in microseconds */
                proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
                proc_state_ptr->cpu_percent =
                        ((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
                proc_state_ptr->nice = kp_stats[i].ki_nice;
#else
                proc_state_ptr->proc_size =
                        kp_stats[i].kp_eproc.e_vm.vm_map.size;
                /* This is in pages */
                proc_state_ptr->proc_resident =
                        kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
#if defined(NETBSD) || defined(OPENBSD)
                proc_state_ptr->time_spent =
                        kp_stats[i].kp_proc.p_rtime.tv_sec;
#elif defined(DFBSD)
                proc_state_ptr->time_spent = 
                        ( kp_stats[i].kp_thread.td_uticks +
                        kp_stats[i].kp_thread.td_sticks +
                        kp_stats[i].kp_thread.td_iticks ) / 1000000;
#else
                /* This is in microseconds */
                proc_state_ptr->time_spent =
                        kp_stats[i].kp_proc.p_runtime / 1000000;
#endif
                proc_state_ptr->cpu_percent =
                        ((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
                proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
#endif

#ifdef NETBSD2
                {
                        size_t size;
                        int mib[5];

                        mib[0] = CTL_KERN;
                        mib[1] = KERN_LWP;
                        mib[2] = kp_stats[i].kp_proc.p_pid;
                        mib[3] = sizeof(struct kinfo_lwp);
                        mib[4] = 0;

                        if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
                                return NULL;
                        }

                        lwps = size / sizeof(struct kinfo_lwp);
                        mib[4] = lwps;

                        kl_stats = sg_malloc(size);
                        if(kl_stats == NULL) {
                                return NULL;
                        }

                        if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
                                return NULL;
                        }
                }

                switch(kp_stats[i].kp_proc.p_stat) {
                case SIDL:
                        proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                        break;
                case SACTIVE:
                        {
                                int i;

                                for(i = 0; i < lwps; i++) {
                                        switch(kl_stats[i].l_stat) {
                                        case LSONPROC:
                                        case LSRUN:
                                                proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                                                goto end;
                                        case LSSLEEP:
                                                proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                                                goto end;
                                        case LSSTOP:
                                        case LSSUSPENDED:
                                                proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                                                goto end;
                                        }
                                        proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
                                }
                                end: ;
                        }
                        break;
                case SSTOP:
                        proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                        break;
                case SZOMB:
                        proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
                        break;
                default:
                        proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
                        break;
                }
#else
#ifdef FREEBSD5
                switch (kp_stats[i].ki_stat) {
#else
                switch (kp_stats[i].kp_proc.p_stat) {
#endif
                case SIDL:
                case SRUN:
#ifdef SONPROC
                case SONPROC: /* NetBSD */
#endif
                        proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                        break;
                case SSLEEP:
#ifdef SWAIT
                case SWAIT: /* FreeBSD 5 */
#endif
#ifdef SLOCK
                case SLOCK: /* FreeBSD 5 */
#endif
                        proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                        break;
                case SSTOP:
                        proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                        break;
                case SZOMB:
#ifdef SDEAD
                case SDEAD: /* OpenBSD & NetBSD */
#endif
                        proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
                        break;
                default:
                        proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
                        break;
                }
#endif
                proc_state_size++;
        }

        free(kp_stats);
#endif

#ifdef CYGWIN
        return NULL;
#endif

        *entries = proc_state_size;
        return proc_state;
}

sg_process_count *sg_get_process_count() {
        static sg_process_count process_stat;
        sg_process_stats *ps;
        int ps_size, x;

        process_stat.sleeping = 0;
        process_stat.running = 0;
        process_stat.zombie = 0;
        process_stat.stopped = 0;
        process_stat.total = 0;

        ps = sg_get_process_stats(&ps_size);
        if (ps == NULL) {
                return NULL;
        }

        for(x = 0; x < ps_size; x++) {
                switch (ps->state) {
                case SG_PROCESS_STATE_RUNNING:
                        process_stat.running++;
                        break;
                case SG_PROCESS_STATE_SLEEPING:
                        process_stat.sleeping++;
                        break;
                case SG_PROCESS_STATE_STOPPED:
                        process_stat.stopped++;
                        break;
                case SG_PROCESS_STATE_ZOMBIE:
                        process_stat.zombie++;
                        break;
                default:
                        /* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
                         * sg_process_count */
                        break;
                }
                ps++;
        }

        process_stat.total = ps_size;

        return &process_stat;
}
Revision:	1.63
Committed:	Wed Apr 7 14:53:40 2004 UTC (20 years, 1 month ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.62:	+43 -43 lines
Log Message:	Whitespace tidyup - change spaces to tabs.
#	User	Rev	Content
1	tdb	1.17	/*
2	tdb	1.57	* i-scream libstatgrab
3	tdb	1.8	* http://www.i-scream.org
4	tdb	1.17	* Copyright (C) 2000-2004 i-scream
5	pajs	1.1	*
6	tdb	1.17	* This library is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10	pajs	1.1	*
11	tdb	1.17	* This library is distributed in the hope that it will be useful,
12	pajs	1.1	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	tdb	1.17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15	pajs	1.1	*
16	tdb	1.17	* You should have received a copy of the GNU Lesser General Public
17			* License along with this library; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19			* 02111-1307 USA
20	tdb	1.18	*
21	tdb	1.63	* $Id: process_stats.c,v 1.62 2004/04/07 14:45:33 pajs Exp $
22	pajs	1.1	*/
23
24			#ifdef HAVE_CONFIG_H
25			#include "config.h"
26			#endif
27
28	pajs	1.6	#include "statgrab.h"
29	ats	1.48	#include "tools.h"
30			#include "vector.h"
31	pajs	1.6	#if defined(SOLARIS) \|\| defined(LINUX)
32	pajs	1.1	#include <stdio.h>
33			#include <stdlib.h>
34	pajs	1.5	#include <sys/types.h>
35			#include <dirent.h>
36			#include <string.h>
37	pajs	1.6	#endif
38	pajs	1.1
39			#ifdef SOLARIS
40			#include <procfs.h>
41			#include <limits.h>
42	pajs	1.5	#define PROC_LOCATION "/proc"
43			#define MAX_FILE_LENGTH PATH_MAX
44			#endif
45			#ifdef LINUX
46	ats	1.16	#include <limits.h>
47	pajs	1.25	#include <unistd.h>
48			#include <sys/stat.h>
49			#include <fcntl.h>
50	pajs	1.1	#define PROC_LOCATION "/proc"
51			#define MAX_FILE_LENGTH PATH_MAX
52			#endif
53	ats	1.13	#ifdef ALLBSD
54	tdb	1.19	#include <stdlib.h>
55	pajs	1.6	#include <sys/param.h>
56			#include <sys/sysctl.h>
57	tdb	1.22	#if defined(FREEBSD) \|\| defined(DFBSD)
58			#include <sys/user.h>
59			#else
60	tdb	1.19	#include <sys/proc.h>
61	ats	1.13	#endif
62	tdb	1.29	#include <string.h>
63			#include <paths.h>
64			#include <fcntl.h>
65			#include <limits.h>
66	tdb	1.41	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
67	tdb	1.29	#include <kvm.h>
68	pajs	1.6	#endif
69	tdb	1.41	#include <unistd.h>
70	tdb	1.55	#ifdef NETBSD2
71			#include <sys/lwp.h>
72			#endif
73	tdb	1.41	#endif
74	pajs	1.1
75	ats	1.52	static void proc_state_init(sg_process_stats *s) {
76	ats	1.48	s->process_name = NULL;
77			s->proctitle = NULL;
78			}
79
80	ats	1.52	static void proc_state_destroy(sg_process_stats *s) {
81	ats	1.48	free(s->process_name);
82			free(s->proctitle);
83			}
84
85	ats	1.52	sg_process_stats sg_get_process_stats(int entries){
86			VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
87	tdb	1.63	proc_state_init, proc_state_destroy);
88	ats	1.48	int proc_state_size = 0;
89	ats	1.52	sg_process_stats *proc_state_ptr;
90	tdb	1.26	#ifdef ALLBSD
91	tdb	1.37	int mib[4];
92	tdb	1.26	size_t size;
93			struct kinfo_proc *kp_stats;
94	tdb	1.41	int procs, i;
95	tdb	1.45	char *proctitle;
96	tdb	1.41	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
97	tdb	1.42	kvm_t *kvmd;
98	tdb	1.50	char args, argsp;
99			int argslen = 0;
100	tdb	1.41	#else
101	tdb	1.37	long buflen;
102			char *p;
103			#endif
104	tdb	1.55	#ifdef NETBSD2
105			int lwps;
106			struct kinfo_lwp *kl_stats;
107			#endif
108	tdb	1.26	#endif
109	pajs	1.24	#if defined(SOLARIS) \|\| defined(LINUX)
110	tdb	1.63	DIR *proc_dir;
111			struct dirent *dir_entry;
112			char filename[MAX_FILE_LENGTH];
113			FILE *f;
114	pajs	1.24	#ifdef SOLARIS
115	pajs	1.5	psinfo_t process_info;
116	pajs	1.24	#endif
117	pajs	1.25	#ifdef LINUX
118			char s;
119			/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
120			char ps_name[4096];
121			char *ptr;
122	ats	1.48	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
123	pajs	1.58	unsigned long stime, utime, starttime;
124	pajs	1.25	int x;
125			int fn;
126	ats	1.48	int len;
127			int rc;
128	pajs	1.58	time_t uptime;
129			#endif
130
131			#ifdef LINUX
132			if ((f=fopen("/proc/uptime", "r")) == NULL) {
133			return NULL;
134			}
135			if((fscanf(f,"%lu %*d",&uptime)) != 1){
136			return NULL;
137			}
138			fclose(f);
139	pajs	1.25	#endif
140	pajs	1.1
141	tdb	1.63	if((proc_dir=opendir(PROC_LOCATION))==NULL){
142			return NULL;
143			}
144	pajs	1.23
145	tdb	1.63	while((dir_entry=readdir(proc_dir))!=NULL){
146			if(atoi(dir_entry->d_name) == 0) continue;
147	pajs	1.23
148	pajs	1.24	#ifdef SOLARIS
149	tdb	1.63	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
150	pajs	1.24	#endif
151	pajs	1.25	#ifdef LINUX
152			snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
153			#endif
154	tdb	1.63	if((f=fopen(filename, "r"))==NULL){
155			/* Open failed.. Process since vanished, or the path was too long.
156			* Ah well, move onwards to the next one */
157			continue;
158			}
159	pajs	1.24	#ifdef SOLARIS
160	tdb	1.63	fread(&process_info, sizeof(psinfo_t), 1, f);
161	pajs	1.25	#endif
162	pajs	1.1
163	ats	1.48	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
164	ats	1.52	return NULL;
165	ats	1.48	}
166	pajs	1.23	proc_state_ptr = proc_state+proc_state_size;
167	ats	1.48
168	pajs	1.25	#ifdef SOLARIS
169	pajs	1.23	proc_state_ptr->pid = process_info.pr_pid;
170			proc_state_ptr->parent = process_info.pr_ppid;
171			proc_state_ptr->pgid = process_info.pr_pgid;
172			proc_state_ptr->uid = process_info.pr_uid;
173			proc_state_ptr->euid = process_info.pr_euid;
174			proc_state_ptr->gid = process_info.pr_gid;
175			proc_state_ptr->egid = process_info.pr_egid;
176			proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
177			proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
178			proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
179			proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
180	ats	1.60	if (sg_update_string(&proc_state_ptr->process_name,
181	tdb	1.63	process_info.pr_fname) < 0) {
182	ats	1.60	return NULL;
183			}
184			if (sg_update_string(&proc_state_ptr->proctitle,
185	tdb	1.63	process_info.pr_psargs) < 0) {
186	ats	1.60	return NULL;
187			}
188	pajs	1.24
189	tdb	1.63	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
190			if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
191			if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
192			if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
193			if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
194	pajs	1.25	#endif
195			#ifdef LINUX
196	pajs	1.58	x = fscanf(f, "%d %4096s %c %d %d %d %d %d %u %u %u %u %u %lu %lu %d %d %d %d %d %d %lu %llu %llu %u %u %u %u %u %u %u %u %u %u %u %u %u %d %d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &starttime, &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
197			/* +3 becuase man page says "Resident Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
198			proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
199	ats	1.52	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
200			if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
201			if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
202			if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
203			if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
204	pajs	1.25
205			/* pa_name[0] should = '(' */
206			ptr = strchr(&ps_name[1], ')');
207			if(ptr !=NULL) *ptr='\0';
208	ats	1.48
209	ats	1.52	if (sg_update_string(&proc_state_ptr->process_name,
210	tdb	1.63	&ps_name[1]) < 0) {
211	ats	1.52	return NULL;
212	ats	1.48	}
213	pajs	1.25
214	pajs	1.58	/* cpu */
215			proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
216	pajs	1.25
217	tdb	1.63	fclose(f);
218	pajs	1.62
219			/* uid / gid */
220			snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
221	tdb	1.63	if ((f=fopen(filename, "r")) == NULL) {
222			/* Open failed.. Process since vanished, or the path was too long.
223			* Ah well, move onwards to the next one */
224			continue;
225			}
226	pajs	1.62
227			if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
228			fclose(f);
229			continue;
230			}
231			sscanf(ptr, "Uid:\t%d\t%d\t%d\t%d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
232
233			if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
234	tdb	1.63	fclose(f);
235			continue;
236			}
237			sscanf(ptr, "Gid:\t%d\t%d\t%d\t%d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
238	pajs	1.62
239			fclose(f);
240	ats	1.48
241	pajs	1.25	/* proctitle */
242			snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
243
244	tdb	1.63	if((fn=open(filename, O_RDONLY)) == -1){
245			/* Open failed.. Process since vanished, or the path was too long.
246			* Ah well, move onwards to the next one */
247			continue;
248			}
249	ats	1.48
250			#define READ_BLOCK_SIZE 128
251			len = 0;
252			do {
253	ats	1.53	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
254	ats	1.52	return NULL;
255	ats	1.48	}
256			rc = read(fn, psargs + len, READ_BLOCK_SIZE);
257			if (rc > 0) {
258			len += rc;
259			}
260			} while (rc == READ_BLOCK_SIZE);
261			close(fn);
262
263			if (rc == -1) {
264			/* Read failed; move on. */
265			continue;
266	pajs	1.25	}
267
268	ats	1.48	/* Turn \0s into spaces within the command line. */
269	pajs	1.25	ptr = psargs;
270	ats	1.48	for(x = 0; x < len; x++) {
271	pajs	1.25	if (ptr == '\0') ptr = ' ';
272			ptr++;
273			}
274
275	ats	1.53	if (len == 0) {
276			/* We want psargs to be NULL. */
277			if (VECTOR_RESIZE(psargs, 0) < 0) {
278			return NULL;
279			}
280			} else {
281			/* Not empty, so append a \0. */
282			if (VECTOR_RESIZE(psargs, len + 1) < 0) {
283			return NULL;
284			}
285			psargs[len] = '\0';
286			}
287
288			if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
289	ats	1.52	return NULL;
290	ats	1.48	}
291	pajs	1.24	#endif
292	pajs	1.23
293			proc_state_size++;
294	tdb	1.63	}
295			closedir(proc_dir);
296	tdb	1.26	#endif
297
298			#ifdef ALLBSD
299	tdb	1.36	mib[0] = CTL_KERN;
300			mib[1] = KERN_PROC;
301			mib[2] = KERN_PROC_ALL;
302
303			if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
304	ats	1.52	return NULL;
305	tdb	1.36	}
306
307			procs = size / sizeof(struct kinfo_proc);
308
309	ats	1.61	kp_stats = sg_malloc(size);
310	tdb	1.36	if(kp_stats == NULL) {
311	ats	1.52	return NULL;
312	tdb	1.36	}
313	ats	1.54	memset(kp_stats, 0, size);
314	tdb	1.36
315			if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
316			free(kp_stats);
317	ats	1.52	return NULL;
318	tdb	1.36	}
319	tdb	1.33
320	tdb	1.37	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
321	ats	1.52	kvmd = sg_get_kvm2();
322	tdb	1.33	#endif
323	tdb	1.26
324			for (i = 0; i < procs; i++) {
325	ats	1.48	const char *name;
326	ats	1.54
327	tdb	1.55	#ifdef FREEBSD5
328	ats	1.54	if (kp_stats[i].ki_stat == 0) {
329	tdb	1.55	#else
330			if (kp_stats[i].kp_proc.p_stat == 0) {
331			#endif
332	ats	1.54	/* FreeBSD 5 deliberately overallocates the array that
333			* the sysctl returns, so we'll get a few junk
334			* processes on the end that we have to ignore. (Search
335			* for "overestimate by 5 procs" in
336			* src/sys/kern/kern_proc.c for more details.) */
337			continue;
338			}
339	ats	1.48
340			if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
341	ats	1.52	return NULL;
342	tdb	1.29	}
343	tdb	1.26	proc_state_ptr = proc_state+proc_state_size;
344	tdb	1.30
345			#ifdef FREEBSD5
346	ats	1.48	name = kp_stats[i].ki_comm;
347	tdb	1.35	#elif defined(DFBSD)
348	ats	1.48	name = kp_stats[i].kp_thread.td_comm;
349	tdb	1.30	#else
350	ats	1.48	name = kp_stats[i].kp_proc.p_comm;
351	tdb	1.30	#endif
352	ats	1.53	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
353	ats	1.52	return NULL;
354	ats	1.48	}
355	tdb	1.29
356	tdb	1.37	#if defined(FREEBSD5) \|\| defined(NETBSD) \|\| defined(OPENBSD)
357			size = sizeof(buflen);
358
359			#ifdef FREEBSD5
360			if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
361	ats	1.52	return NULL;
362	tdb	1.37	}
363			#else
364	tdb	1.56	/* FIXME - this value can be too large on some of
365			the BSD's, which causes sysctl not to return
366			anything. Maybe we need something smaller? */
367	tdb	1.37	mib[1] = KERN_ARGMAX;
368
369			if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
370	ats	1.52	return NULL;
371	tdb	1.37	}
372			#endif
373
374	ats	1.61	proctitle = sg_malloc(buflen);
375	tdb	1.37	if(proctitle == NULL) {
376	ats	1.52	return NULL;
377	tdb	1.37	}
378
379			size = buflen;
380
381			#ifdef FREEBSD5
382			mib[2] = KERN_PROC_ARGS;
383			mib[3] = kp_stats[i].ki_pid;
384			#else
385			mib[1] = KERN_PROC_ARGS;
386			mib[2] = kp_stats[i].kp_proc.p_pid;
387			mib[3] = KERN_PROC_ARGV;
388			#endif
389
390	ats	1.48	free(proc_state_ptr->proctitle);
391	tdb	1.37	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
392			free(proctitle);
393			proc_state_ptr->proctitle = NULL;
394			}
395			else if(size > 0) {
396	ats	1.61	proc_state_ptr->proctitle = sg_malloc(size+1);
397	tdb	1.37	if(proc_state_ptr->proctitle == NULL) {
398	ats	1.52	return NULL;
399	tdb	1.29	}
400	tdb	1.37	p = proctitle;
401	ats	1.49	proc_state_ptr->proctitle[0] = '\0';
402	tdb	1.37	do {
403	ats	1.52	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
404			sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
405	tdb	1.37	p += strlen(p) + 1;
406			} while (p < proctitle + size);
407			free(proctitle);
408	tdb	1.45	/* remove trailing space */
409			proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
410	tdb	1.37	}
411			else {
412			free(proctitle);
413			proc_state_ptr->proctitle = NULL;
414			}
415			#else
416	ats	1.48	free(proc_state_ptr->proctitle);
417	tdb	1.37	if(kvmd != NULL) {
418			args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
419			if(args != NULL) {
420	tdb	1.50	argsp = args;
421			while(*argsp != NULL) {
422	tdb	1.51	argslen += strlen(*argsp) + 1;
423			argsp++;
424	tdb	1.50	}
425	ats	1.61	proctitle = sg_malloc(argslen + 1);
426	tdb	1.50	proctitle[0] = '\0';
427	tdb	1.37	if(proctitle == NULL) {
428	ats	1.52	return NULL;
429	tdb	1.37	}
430			while(*args != NULL) {
431	ats	1.52	sg_strlcat(proctitle, *args, argslen + 1);
432			sg_strlcat(proctitle, " ", argslen + 1);
433	tdb	1.37	args++;
434	tdb	1.29	}
435	tdb	1.37	/* remove trailing space */
436	tdb	1.45	proctitle[strlen(proctitle)-1] = '\0';
437	tdb	1.37	proc_state_ptr->proctitle = proctitle;
438			}
439			else {
440			proc_state_ptr->proctitle = NULL;
441	tdb	1.29	}
442			}
443			else {
444	tdb	1.37	proc_state_ptr->proctitle = NULL;
445	tdb	1.29	}
446	tdb	1.37	#endif
447	tdb	1.26
448	tdb	1.30	#ifdef FREEBSD5
449	tdb	1.26	proc_state_ptr->pid = kp_stats[i].ki_pid;
450			proc_state_ptr->parent = kp_stats[i].ki_ppid;
451			proc_state_ptr->pgid = kp_stats[i].ki_pgid;
452	tdb	1.30	#else
453			proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
454			proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
455			proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
456			#endif
457	tdb	1.26
458	tdb	1.30	#ifdef FREEBSD5
459	tdb	1.26	proc_state_ptr->uid = kp_stats[i].ki_ruid;
460			proc_state_ptr->euid = kp_stats[i].ki_uid;
461			proc_state_ptr->gid = kp_stats[i].ki_rgid;
462			proc_state_ptr->egid = kp_stats[i].ki_svgid;
463	tdb	1.35	#elif defined(DFBSD)
464			proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
465			proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
466			proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
467			proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
468	tdb	1.30	#else
469			proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
470			proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
471			proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
472			proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
473			#endif
474	tdb	1.26
475	tdb	1.30	#ifdef FREEBSD5
476	tdb	1.26	proc_state_ptr->proc_size = kp_stats[i].ki_size;
477			/* This is in pages */
478	tdb	1.30	proc_state_ptr->proc_resident =
479			kp_stats[i].ki_rssize * getpagesize();
480	tdb	1.28	/* This is in microseconds */
481	tdb	1.26	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
482	tdb	1.30	proc_state_ptr->cpu_percent =
483			((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
484	tdb	1.26	proc_state_ptr->nice = kp_stats[i].ki_nice;
485	tdb	1.30	#else
486			proc_state_ptr->proc_size =
487			kp_stats[i].kp_eproc.e_vm.vm_map.size;
488			/* This is in pages */
489			proc_state_ptr->proc_resident =
490			kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
491	tdb	1.34	#if defined(NETBSD) \|\| defined(OPENBSD)
492	tdb	1.33	proc_state_ptr->time_spent =
493			kp_stats[i].kp_proc.p_rtime.tv_sec;
494	tdb	1.35	#elif defined(DFBSD)
495			proc_state_ptr->time_spent =
496			( kp_stats[i].kp_thread.td_uticks +
497			kp_stats[i].kp_thread.td_sticks +
498			kp_stats[i].kp_thread.td_iticks ) / 1000000;
499	tdb	1.33	#else
500	tdb	1.36	/* This is in microseconds */
501	tdb	1.30	proc_state_ptr->time_spent =
502			kp_stats[i].kp_proc.p_runtime / 1000000;
503	tdb	1.33	#endif
504	tdb	1.30	proc_state_ptr->cpu_percent =
505			((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
506			proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
507			#endif
508	tdb	1.26
509	tdb	1.55	#ifdef NETBSD2
510			{
511			size_t size;
512			int mib[5];
513
514			mib[0] = CTL_KERN;
515			mib[1] = KERN_LWP;
516			mib[2] = kp_stats[i].kp_proc.p_pid;
517			mib[3] = sizeof(struct kinfo_lwp);
518			mib[4] = 0;
519
520			if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
521			return NULL;
522			}
523
524			lwps = size / sizeof(struct kinfo_lwp);
525			mib[4] = lwps;
526
527	ats	1.61	kl_stats = sg_malloc(size);
528	tdb	1.55	if(kl_stats == NULL) {
529			return NULL;
530			}
531
532			if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
533			return NULL;
534			}
535			}
536
537			switch(kp_stats[i].kp_proc.p_stat) {
538			case SIDL:
539			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
540			break;
541			case SACTIVE:
542			{
543			int i;
544
545			for(i = 0; i < lwps; i++) {
546			switch(kl_stats[i].l_stat) {
547			case LSONPROC:
548			case LSRUN:
549			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
550			goto end;
551			case LSSLEEP:
552			proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
553			goto end;
554			case LSSTOP:
555			case LSSUSPENDED:
556			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
557			goto end;
558			}
559			proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
560			}
561			end: ;
562			}
563			break;
564			case SSTOP:
565			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
566			break;
567			case SZOMB:
568			proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
569			break;
570			default:
571			proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
572			break;
573			}
574			#else
575	tdb	1.30	#ifdef FREEBSD5
576	tdb	1.26	switch (kp_stats[i].ki_stat) {
577	tdb	1.30	#else
578			switch (kp_stats[i].kp_proc.p_stat) {
579			#endif
580	tdb	1.26	case SIDL:
581			case SRUN:
582			#ifdef SONPROC
583			case SONPROC: /* NetBSD */
584			#endif
585	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
586	tdb	1.26	break;
587			case SSLEEP:
588			#ifdef SWAIT
589			case SWAIT: /* FreeBSD 5 */
590			#endif
591			#ifdef SLOCK
592			case SLOCK: /* FreeBSD 5 */
593			#endif
594	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
595	tdb	1.26	break;
596			case SSTOP:
597	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
598	tdb	1.26	break;
599			case SZOMB:
600			#ifdef SDEAD
601			case SDEAD: /* OpenBSD & NetBSD */
602			#endif
603	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
604	tdb	1.31	break;
605			default:
606	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
607	tdb	1.26	break;
608			}
609	tdb	1.55	#endif
610	tdb	1.26	proc_state_size++;
611			}
612
613			free(kp_stats);
614	tdb	1.47	#endif
615
616			#ifdef CYGWIN
617	ats	1.52	return NULL;
618	tdb	1.26	#endif
619
620	ats	1.52	*entries = proc_state_size;
621			return proc_state;
622	tdb	1.27	}
623
624	ats	1.52	sg_process_count *sg_get_process_count() {
625			static sg_process_count process_stat;
626			sg_process_stats *ps;
627	tdb	1.27	int ps_size, x;
628
629	tdb	1.30	process_stat.sleeping = 0;
630			process_stat.running = 0;
631			process_stat.zombie = 0;
632			process_stat.stopped = 0;
633			process_stat.total = 0;
634	tdb	1.27
635	ats	1.52	ps = sg_get_process_stats(&ps_size);
636			if (ps == NULL) {
637	tdb	1.32	return NULL;
638			}
639	tdb	1.27
640			for(x = 0; x < ps_size; x++) {
641			switch (ps->state) {
642	ats	1.52	case SG_PROCESS_STATE_RUNNING:
643	tdb	1.27	process_stat.running++;
644			break;
645	ats	1.52	case SG_PROCESS_STATE_SLEEPING:
646	tdb	1.27	process_stat.sleeping++;
647			break;
648	ats	1.52	case SG_PROCESS_STATE_STOPPED:
649	tdb	1.27	process_stat.stopped++;
650			break;
651	ats	1.52	case SG_PROCESS_STATE_ZOMBIE:
652	tdb	1.27	process_stat.zombie++;
653	ats	1.40	break;
654			default:
655	ats	1.52	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
656			* sg_process_count */
657	tdb	1.27	break;
658			}
659			ps++;
660			}
661
662			process_stat.total = ps_size;
663
664			return &process_stat;
665	pajs	1.23	}